/* Added by module "embed_attachments", file "mods/embed_attachments/embed_attachments.js" */ function mod_embed_attachments_create_link(id,fn) { // Find the textarea. Multiple cases for backward compatibility. var area = document.getElementById("phorum_textarea"); if (! area) area = document.getElementById("body"); if (! area) { alert( 'There seems to be a technical problem. The textarea cannot be ' + 'found in the page. The textarea should have id="body" in the ' + 'definition, so the Embed Attachments module can find it.' ); return } // Add attachment BBcode to the message body. fn = unescape(fn); var attlink = '[attachment ' + id + ' ' + fn + ']'; if (area.createTextRange) /* MSIE */ { area.focus(area.caretPos); area.caretPos = document.selection.createRange().duplicate(); curtxt = area.caretPos.text; area.caretPos.text = attlink + curtxt; } else /* Other browsers */ { var pos = area.selectionStart; area.value = area.value.substring(0,pos) + attlink + area.value.substring(pos); area.focus(); area.selectionStart = pos + attlink.length; area.selectionEnd = area.selectionStart; } } /* Added by module "embed_images", file "mods/embed_images/embed_images.js" */ function mod_embed_images_loadimage(viewer_id, thumbnail_url, fullimage_url, ajax_url, target_url, message_id, max_w, max_h, loading_txt, rescheduled) { var container = document.getElementById('imagediv_'+viewer_id); if (!container) return; // If the image for the viewer id is already on the page, then we are // handling a cached thumbnail for which no Ajax magic is required, // but which is already loaded in the page. We'll only use this function // for setting up a full size image viewer. var image = document.getElementById('image_'+viewer_id); if (image) { // If a function was loaded for a viewer to initialize the // viewer, then hand over the image data to that function. // Don't do this in case we have a target_url. if (window.mod_embed_images_initviewer && !target_url) { var link = document.getElementById('link_'+viewer_id); mod_embed_images_initviewer( container, image, link, fullimage_url, message_id ); } return; } if (!rescheduled) { // We use a bit of a strange hack here, by checking for readyState. // This is not availble in all browsers. That's no problem though. // We mainly want MSIE to check it and to let it postpone image // loading till after the page is fully loaded. When doing things // earlier in MSIE from script code that is not a direct descendant // of, we might get "operation aborted" errors. if (document.readyState && document.readyState != 'loaded' && document.readyState != 'complete' && window.attachEvent && !window.opera) { window.attachEvent('onload', function() { mod_embed_images_loadimage( viewer_id, thumbnail_url, fullimage_url, ajax_url, target_url, message_id, max_w, max_h, loading_txt, true ); }); return; } // Display a "Loading ..." message to the user. container.innerHTML = '
' + loading_txt + '<\/div>'; } // Create the XMLHttpRequest object that we can use to send an // Ajax request to the server. var xhr; if (window.XMLHttpRequest) { xhr = new XMLHttpRequest(); } else if (window.ActiveXObject) { var versions = [ "MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp", "Microsoft.XMLHttp" ]; for (var i=0; i < versions.length; i++) try { xhr = new ActiveXObject(versions[i]); } catch (e) { } } // No XMLHttpRequest object found? Fallback to a simpler way of // displaying the thumbnail image. This way we won't have // loading or error feedback and full size viewer support, // but at least we do show the image. This should't happen for // modern browsers. if (!xhr) { target.innerHTML = (target_url ? '' : '') + '' + (target_url ? '<\/a>' : ''); return; } // Setup the XMLHttpRequest object for the request. xhr.open("get", ajax_url, true); xhr.setRequestHeader("Content-Type", "text/plain"); xhr.onreadystatechange = function() { if (xhr.readyState == 4 && xhr.status == 200) { var res = xhr.responseText; // An "OK x x" message was returned. if (res.substr(0,2) == 'OK') { // Parse the respones message. // I know... a bit old school parsing. var dim = res.substr(3); var xpos = dim.indexOf('x'); var spos = dim.indexOf(' '); var origw = dim.substr(0,xpos); var origh = dim.substr(xpos+1, spos-xpos-1); dim = dim.substr(spos+1); xpos = dim.indexOf('x'); var w = dim.substr(0,xpos); var h = dim.substr(xpos+1); var origsize = origw+"x"+origh; var scalesize = w+"x"+h; var is_scaled = (origsize != scalesize); // Opera does not seem to load images that are not visible :( // So for those, we never get an onload event. Therefore, // we make the image 0x0 pixels and resize it to the real // size after loading. var html = (target_url ? '' : '') + '' + (target_url ? '<\/a>' : ''); container.innerHTML += html; // Go to extended viewer mode if the image was scaled down // or if a target URL was provided. if (is_scaled || target_url) { var info = document.getElementById('info_'+viewer_id); if (info) info.style.display = 'block'; var div = document.getElementById('div_'+viewer_id); if (div) div.className = 'mod_embed_images_extended'; } // If a function was loaded for a viewer to initialize the // viewer, then hand over the image data to that function. if (window.mod_embed_images_initviewer) { var image = document.getElementById('image_'+viewer_id); var link = document.getElementById('link_'+viewer_id); mod_embed_images_initviewer( container, image, link, fullimage_url, message_id ); } } // Some error message was returned. Show the error to the user. else container.innerHTML = '
' + 'Image error<\/strong>' + res + '
' + 'open image URL<\/a>' + '<\/div>'; } } // Send the request to the server. xhr.send(''); } function mod_embed_images_image_loaded(image, w, h) { image.style.width = w+'px'; image.style.height = h+'px'; var container = image.parentNode; while (container.className != 'mod_embed_images_image') { container = container.parentNode; if (!container) return; // Should not happen. } container.style.width = image.width + 'px'; container.parentNode.style.width = parseInt(image.width) + 'px'; container.style.height = image.height + 'px'; for (var i = 0; i < container.childNodes.length; i++) { if (container.childNodes[i].className == 'mod_embed_images_loading') { container.childNodes[i].style.display = 'none'; } } } /* Added by module "embed_images/viewer:browser", file "mods/embed_images/viewers/browser/viewer.js" */ function mod_embed_images_initviewer(container, image, link, url, message_id) { var a = document.createElement('a'); a.href = url; a.target = '_new'; container.appendChild(a); a.appendChild(image); }